[6] RFC 1889 - RTP: A Transport Protocol for Real-Time Applications, , https://tools.ietf.org/html/rfc1889
[1] RFC 4855 - Media Type Registration of RTP Payload Formats ( 版) https://tools.ietf.org/html/rfc4855
[2] RFC 4856 - Media Type Registration of Payload Formats in the RTP Profile for Audio and Video Conferences ( 版) https://tools.ietf.org/html/rfc4856
[3] RFC 3550 - RTP: A Transport Protocol for Real-Time Applications ( 版) https://tools.ietf.org/html/rfc3550
[7] RFC 4383: The Use of Timed Efficient Stream Loss-Tolerant Authentication (TESLA) in the Secure Real-time Transport Protocol (SRTP), , https://www.rfc-editor.org/rfc/rfc4383.html